Question Number 175923 by CrispyXYZ last updated on 09/Sep/22
$$\mathrm{what}\:\mathrm{are}\:\mathrm{the}\:\mathrm{differences}\:\mathrm{among}\:``\:{if}\:'',\:``\:{only}\:\:{if}\:''\:\mathrm{and}\:``\:{if}\:\:{and}\:\:{only}\:\:{if}\:''? \\ $$
Answered by Vynho last updated on 09/Sep/22
$${if}={necessary}\:{condition} \\ $$$${only}\:{if}\:=\:{sufficient}\:{condition} \\ $$$${if}\:{and}\:{only}\:{if}={necessary}\:{and}\:{sufficient}\:{condition} \\ $$